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Crab spiders (Araneae: Thomisidae) in flowering plants in a Brazilian Cerrado ecosystem
(Instituto Internacional de Ecologia, 2011-05-01)
Ainda que aranhas Thomisidae sejam comumente encontradas em flores, as associações desses aracnídeos a espécies de plantas e às suas características florais foram pouco registradas na região neotropical. Observações do ...
Entomofauna visitante de Belamcanda chinensis (L.) DC (Iridaceae) durante o período de floração
(Sociedade Brasileira de Zoologia, 1995-01-01)
A study of the reproductive biology of B. chinensis (L.) DC. (Iridaceae) was realized comprising floral biology and breeding systems. The floral biology studies included analyses of nectar production, occurence of osmophores, ...
Location of the stigmatic areas in Mutisia speciosa Aiton ex Hook. a new floral feature in Asteraceae
(Sexual Plant Reproduction, 2018)
Floral anatomy of Eriocaulon elichrysoides and Syngonanthus caulescens (Eriocaulaceae)
(Urban & Fischer Verlag, 2003-01-01)
The floral anatomy of Eriocaulon elichrysoides Bong. and Syngonanthus caulescens (Poir.) Ruhland, from Brazilian mountain rock savannas (campos rupestres) was studied. The staminate flowers of E. elichrysoides present a ...
Pollination of Adenocalymma bracteatum (Bignoniaceae): Floral Biology and Visitors
(Entomological Soc Brasil, 2010-11-01)
Adenocalymma bracteatum is a shrub of dense foliage and yellow flowers, easily found on grasslands areas in Central Brazil. The aim of this study was to determine the reproductive biology and the flower visitors of A. ...
Nectaries and reproductive biology of Croton sarcopetalus (Euphorbiaceae)
(Academic Press Ltd, 2001-07-01)
Flower morphology, nectary structure, nectar chemical composition, breeding system, floral visitors and pollination were analysed in Croton sarcopetalus, a diclinous-monoecious shrub from Argentina. Male flowers have five ...
Differentiation of floral color and odor in two fly pollinated species of Metrodorea (Rutaceae) from Brazil
(2000-01-01)
We investigated if differences in morphological characters in two species of Metrodorea (Rutaceae) from Brazilian semideciduous forests correspond to some pollination divergence. M. nigra and M. stipularis are sympatric ...
Morphological evolution in the graminid clade: Comparative floral anatomy of the grass relatives Flagellariaceae and Joinvilleaceae
(2012-11-01)
New comparative data are presented on the reproductive morphology and anatomy of two genera closely related to grasses, Flagellaria and Joinvillea, in which the flowers are superficially similar, especially in stamen ...
A macro- and micromorphological survey of floral and extrafloral nectaries in the epiphytic cactus Rhipsalis teres (Cactoideae: Rhipsalideae)
(Elsevier Gmbh, Urban & Fischer Verlag, 2012-01-01)
Floral and extrafloral nectaries in plants favor pollination and defense against herbivory. Despite their wide distribution in plants and differences in position, structure, and topography, their biological and systematic ...